Finding the Fourth Proportional to 981,427.19, 1,472,376.06 and 475,396.75
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Solution
The fourth proportional to 981,427.19, 1,472,376.06 and 475,396.75 is: 713,209.08
Step by Step Solution
- Step 1: Write the proportion equation
981,427.19 : 1,472,376.06 = 475,396.75 : x - Step 2: Convert to fraction form
981,427.19/1,472,376.06 = 475,396.75/x - Step 3: Cross multiply
981,427.19x = 1,472,376.06 × 475,396.75 - Step 4: Simplify right side
981,427.19x = 699,962,783,962.94 - Step 5: Solve for x
x = 699,962,783,962.94/981,427.19 - Step 6: Final answer
x = 713,209.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.